<?php

namespace addons\epay\controller;


use addons\epay\library\Service;
use app\admin\model\Order;
use Yansongda\Pay\Pay;
use Yansongda\Pay\Log;
use think\Db;
class Wx
{
    public function test()
    {
        print_r($this->Home_index());die;
    }

    function Home_index() {

        date_default_timezone_set("Asia/Shanghai");
        $date = date("YmdHis");
        $appid = "wxd9ae69f183ed1214";
        $mch_id = "1631042255";
        $out_trade_no = "20220831092353575912";
        $op_user_id = "oMLPn4plzk8NzNxfDmOvLUt9yeQM";
        $out_refund_no = $date;
        $total_fee = "100";
        $refund_fee = "100";
//  $transaction_id = "4009542001201706206596667604";
        $key = "9bdaa35c0e6a49eec0f345595ac26eb2";
        $nonce_str = $this->nonceStr();

        $ref = strtoupper(md5("appid=$appid&mch_id=$mch_id&nonce_str=$nonce_str&op_user_id=$op_user_id"
            . "&out_refund_no=$out_refund_no&out_trade_no=$out_trade_no&refund_fee=$refund_fee&total_fee=$total_fee"
            . "&key=$key")); //sign加密MD5

        $refund = array(
            'appid' =>$appid, //应用ID，固定
            'mch_id' => $mch_id, //商户号，固定
            'nonce_str' => $nonce_str, //随机字符串
            'op_user_id' => $op_user_id, //操作员
            'out_refund_no' => $out_refund_no, //商户内部唯一退款单号
            'out_trade_no' => $out_trade_no, //商户订单号,pay_sn码 1.1二选一,微信生成的订单号，在支付通知中有返回
            // 'transaction_id'=>'1',//微信订单号 1.2二选一,商户侧传给微信的订单号
            'refund_fee' => $refund_fee, //退款金额
            'total_fee' => $total_fee, //总金额
            'sign' => $ref//签名
        );

        $url = "https://api.mch.weixin.qq.com/secapi/pay/refund";
        ; //微信退款地址，post请求
        $xml = $this->arrayToXml($refund);

        $ch = curl_init();
        curl_setopt($ch, CURLOPT_URL, $url);
        curl_setopt($ch, CURLOPT_HEADER, 1);
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
        curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, 1); //证书检查
//        if ($useCert == true) {
            // 设置证书
            curl_setopt($ch, CURLOPT_SSLCERTTYPE, 'pem');
            curl_setopt($ch, CURLOPT_SSLCERT, dirname(__FILE__) . '/www/wwwroot/2037.cs/addons/epay/certs/apiclient_cert.pem');
            curl_setopt($ch, CURLOPT_SSLCERTTYPE, 'pem');
            curl_setopt($ch, CURLOPT_SSLKEY, dirname(__FILE__) . '/www/wwwroot/2037.cs/addons/epay/certs/apiclient_key.pem');
            curl_setopt($ch, CURLOPT_SSLCERTTYPE, 'pem');
            curl_setopt($ch, CURLOPT_CAINFO, dirname(__FILE__) . '/www/wwwroot/2037.cs/addons/epay/certs/rootca.pem');
//        }
        curl_setopt($ch, CURLOPT_POST, 1);
        curl_setopt($ch, CURLOPT_POSTFIELDS, $xml);

        $xml = curl_exec($ch);


        // 返回结果0的时候能只能表明程序是正常返回不一定说明退款成功而已
        if ($xml) {
            curl_close($ch);
            // 把xml转化成数组
            libxml_disable_entity_loader(true);
            $xmlstring = simplexml_load_string($xml, 'SimpleXMLElement', LIBXML_NOCDATA);
//    var_dump($xmlstring);
            $result['errNum'] = 0;
            $result['info'] = $this->object_to_array($xmlstring);
//    var_dump($result);
            return $result;
        } else {
            $error = curl_errno($ch);
            curl_close($ch);
            // 错误的时候返回错误码。
            $result['errNum'] = $error;
            return $result;
        }
    }

    function arrayToXml($arr) {
        $xml = "<root>";
        foreach ($arr as $key => $val) {
            if (is_array($val)) {
                $xml .= "<" . $key . ">" . arrayToXml($val) . "</" . $key . ">";
            } else {
                $xml .= "<" . $key . ">" . $val . "</" . $key . ">";
            }
        }
        $xml .= "</root>";
        return $xml;
    }

    function object_to_array($obj) {
        $obj = (array) $obj;
        foreach ($obj as $k => $v) {
            if (gettype($v) == 'resource') {
                return;
            }
            if (gettype($v) == 'object' || gettype($v) == 'array') {
                $obj[$k] = (array) object_to_array($v);
            }
        }


        return $obj;
    }

    function nonceStr() {
        $chars = "abcdefghijklmnopqrstuvwxyz0123456789";
        $str = "";
        $length = 32;
        for ($i = 0; $i < $length; $i++) {
            $str .= substr($chars, mt_rand(0, strlen($chars) - 1), 1);
        }
        // 随机字符串
        return $str;
    }



}